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US Rocket Warhead, 2.75 inch Illumination, M257

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Description

To provide helicopters with target illuminating capability from a safe standoff distance in a hostile environment.

This flare rocket is an air-to-ground rocket primarily deployed from rotary-wing and other low-speed aircraft. It is employed with the low-spin folding-fin Mk 40 motor and with the spin stabilized wrap around fin Mk 66 motor Mods 1, 2, 3, and 4.

The M257 illuminating warhead consists of an ignition system, flare, main parachute, drogue parachute assembly, and an integral fuze and delay assembly. The warhead is enclosed in an aluminum case.

The setback-actuated fixed time integral fuze provides a standoff distance of approximately 3,000 meters. The arming fuze and delay assembly is actuated by motor acceleration.

Functioning

No information about functioning.

Hazardous Components

No information about hazardous components.

See Also

Rocket Motor, 2.75 inch FFAR, Mk 40

Rocket Motor, 2.75 inch SSWAFAR, Mk 66 Mod 1, 2, 3, 4

Source(s)

TM 43-0001-30, Rockets (chg 14, 2001)